#!/bin/bash

function compare
{
   expected=$2
   actual=$3
   if [[ "$expected" != "$actual" ]]; then
      echo "Test failed: $1"
      echo "Expected = $expected"
      echo "  Actual = $actual"
      exit 1
   fi
}

if [[ $# -lt 2 ]]; then
   echo "$0 <reference.rb> <test.rb>"
   exit 1
fi
GOLD=$1
TEST=$2

# Check expected output sizes without matching contents
expected=$(ruby "$GOLD" | wc -c -)
actual=$(ruby "$TEST" | wc -c -)
compare "default size check" "$expected" "$actual"

# Check size adjustments
for h in 0 10 21 50; do
   expected=$(ruby "$GOLD" $h | wc -c -)
   actual=$(ruby "$TEST" $h | wc -c -)
   compare "height check $h" "$expected" "$actual"

   for w in 0 33 64 80 160; do
      expected=$(ruby "$GOLD" $h $w | wc -c -)
      actual=$(ruby "$TEST" $h $w | wc -c -)
      compare "size check $h $w" "$expected" "$actual"
   done
done